
'Declaration Public Class PdfInteractiveFormCheckBoxField Inherits PdfInteractiveFormSwitchableButtonField
public class PdfInteractiveFormCheckBoxField : PdfInteractiveFormSwitchableButtonField
public __gc class PdfInteractiveFormCheckBoxField : public PdfInteractiveFormSwitchableButtonField
public ref class PdfInteractiveFormCheckBoxField : public PdfInteractiveFormSwitchableButtonField
Class PdfInteractiveFormCheckBoxFieldExample ''' <summary> ''' Creates a PDF document with the check box fields. ''' </summary> ''' <param name="filename">The filename.</param> Public Shared Sub CreateDocumentWithCheckBoxField(filename As String) ' create PDF document Using document As New Vintasoft.Imaging.Pdf.PdfDocument() ' create interactive form in PDF document document.InteractiveForm = New Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfDocumentInteractiveForm(document) ' specify that the viewer application must construct appearance streams and ' appearance properties for all widget annotations document.InteractiveForm.NeedAppearances = True ' create an empty page Dim page As New Vintasoft.Imaging.Pdf.Tree.PdfPage(document, Vintasoft.Imaging.PaperSizeKind.A4) ' add page to the document document.Pages.Add(page) Dim fontSize As Single = 20 Dim width As Single = fontSize * 3F / 2F Dim height As Single = width ' create a rectangle that defines check box position on PDF page Dim rect As New System.Drawing.RectangleF((page.Size.Width - width) / 2, ((page.Size.Height - height) / 3) * 2, width, height) ' create the first check box Dim checkBox1 As New Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfInteractiveFormCheckBoxField(document, "CheckBox1", rect) ' create a rectangle that defines size of the check box content Dim contentRect As New System.Drawing.RectangleF(0, 0, rect.Width, rect.Height) ' get a reference to "ZapfDingbats" font Dim font As Vintasoft.Imaging.Pdf.Tree.Fonts.PdfFont = document.FontManager.GetStandardFont(Vintasoft.Imaging.Pdf.Tree.Fonts.PdfStandardFontType.ZapfDingbats) ' create "Yes" appearance of checkbox1 Using g As Vintasoft.Imaging.Pdf.Drawing.PdfGraphics = checkBox1.CreateYesAppearanceGraphics() g.DrawString("o", font, fontSize, New Vintasoft.Imaging.Pdf.Drawing.PdfBrush(System.Drawing.Color.Black), contentRect, Vintasoft.Imaging.Pdf.Drawing.PdfContentAlignment.Center, _ False) g.DrawString("4", font, fontSize, New Vintasoft.Imaging.Pdf.Drawing.PdfBrush(System.Drawing.Color.Green), contentRect, Vintasoft.Imaging.Pdf.Drawing.PdfContentAlignment.Center, _ False) End Using ' create "Off" appearance of checkbox1 Using g As Vintasoft.Imaging.Pdf.Drawing.PdfGraphics = checkBox1.CreateOffAppearanceGraphics() g.DrawString("o", font, fontSize, New Vintasoft.Imaging.Pdf.Drawing.PdfBrush(System.Drawing.Color.Black), contentRect, Vintasoft.Imaging.Pdf.Drawing.PdfContentAlignment.Center, _ False) End Using ' set value of checkbox1 checkBox1.Value = "Off" ' change the vertical position of rectangle that defines check box position on PDF page rect.Y -= rect.Height ' create the second check box Dim checkBox2 As New Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfInteractiveFormCheckBoxField(document, "CheckBox2", rect) ' use checkbox1 appearance as checkbox2 appearance checkBox2.Annotation.Appearances = checkBox1.Annotation.Appearances ' set value of checkBox2 checkBox2.Value = "Yes" ' add the check box fields to the interactive form of document document.InteractiveForm.Fields.Add(checkBox1) document.InteractiveForm.Fields.Add(checkBox2) ' add annotations, associated with check box fields, to the page page.Annotations = New Vintasoft.Imaging.Pdf.Tree.Annotations.PdfAnnotationList(document) page.Annotations.Add(checkBox1.Annotation) page.Annotations.Add(checkBox2.Annotation) ' save the document document.Save(filename) End Using End Sub End Class
class PdfInteractiveFormCheckBoxFieldExample { /// <summary> /// Creates a PDF document with the check box fields. /// </summary> /// <param name="filename">The filename.</param> public static void CreateDocumentWithCheckBoxField(string filename) { // create PDF document using (Vintasoft.Imaging.Pdf.PdfDocument document = new Vintasoft.Imaging.Pdf.PdfDocument()) { // create interactive form in PDF document document.InteractiveForm = new Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfDocumentInteractiveForm(document); // specify that the viewer application must construct appearance streams and // appearance properties for all widget annotations document.InteractiveForm.NeedAppearances = true; // create an empty page Vintasoft.Imaging.Pdf.Tree.PdfPage page = new Vintasoft.Imaging.Pdf.Tree.PdfPage( document, Vintasoft.Imaging.PaperSizeKind.A4); // add page to the document document.Pages.Add(page); float fontSize = 20; float width = fontSize * 3f / 2f; float height = width; // create a rectangle that defines check box position on PDF page System.Drawing.RectangleF rect = new System.Drawing.RectangleF( (page.Size.Width - width) / 2, ((page.Size.Height - height) / 3) * 2, width, height); // create the first check box Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfInteractiveFormCheckBoxField checkBox1 = new Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfInteractiveFormCheckBoxField(document, "CheckBox1", rect); // create a rectangle that defines size of the check box content System.Drawing.RectangleF contentRect = new System.Drawing.RectangleF(0, 0, rect.Width, rect.Height); // get a reference to "ZapfDingbats" font Vintasoft.Imaging.Pdf.Tree.Fonts.PdfFont font = document.FontManager.GetStandardFont( Vintasoft.Imaging.Pdf.Tree.Fonts.PdfStandardFontType.ZapfDingbats); // create "Yes" appearance of checkbox1 using (Vintasoft.Imaging.Pdf.Drawing.PdfGraphics g = checkBox1.CreateYesAppearanceGraphics()) { g.DrawString("o", font, fontSize, new Vintasoft.Imaging.Pdf.Drawing.PdfBrush(System.Drawing.Color.Black), contentRect, Vintasoft.Imaging.Pdf.Drawing.PdfContentAlignment.Center, false); g.DrawString("4", font, fontSize, new Vintasoft.Imaging.Pdf.Drawing.PdfBrush(System.Drawing.Color.Green), contentRect, Vintasoft.Imaging.Pdf.Drawing.PdfContentAlignment.Center, false); } // create "Off" appearance of checkbox1 using (Vintasoft.Imaging.Pdf.Drawing.PdfGraphics g = checkBox1.CreateOffAppearanceGraphics()) { g.DrawString("o", font, fontSize, new Vintasoft.Imaging.Pdf.Drawing.PdfBrush(System.Drawing.Color.Black), contentRect, Vintasoft.Imaging.Pdf.Drawing.PdfContentAlignment.Center, false); } // set value of checkbox1 checkBox1.Value = "Off"; // change the vertical position of rectangle that defines check box position on PDF page rect.Y -= rect.Height; // create the second check box Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfInteractiveFormCheckBoxField checkBox2 = new Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfInteractiveFormCheckBoxField(document, "CheckBox2", rect); // use checkbox1 appearance as checkbox2 appearance checkBox2.Annotation.Appearances = checkBox1.Annotation.Appearances; // set value of checkBox2 checkBox2.Value = "Yes"; // add the check box fields to the interactive form of document document.InteractiveForm.Fields.Add(checkBox1); document.InteractiveForm.Fields.Add(checkBox2); // add annotations, associated with check box fields, to the page page.Annotations = new Vintasoft.Imaging.Pdf.Tree.Annotations.PdfAnnotationList(document); page.Annotations.Add(checkBox1.Annotation); page.Annotations.Add(checkBox2.Annotation); // save the document document.Save(filename); } } }
System.Object
Vintasoft.Imaging.Pdf.Tree.PdfTreeNodeBase
Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfInteractiveFormField
Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfInteractiveFormButtonField
Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfInteractiveFormSwitchableButtonField
Vintasoft.Imaging.Pdf.Tree.InteractiveForms.PdfInteractiveFormCheckBoxField
Target Platforms: .NET 6; .NET 5; .NET Core 3.1; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5